From 8d04ddb64c7bf62aec1102fddc5336a68bcaebe9 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Thu, 12 Apr 2007 01:32:09 -0400 Subject: Input: i8042 - disable interfaces when switching to legacy mode Disable both keyboard and auxiliary interfaces before switching to legacy mode to prevent atkbd from getting "empty" interrupts. Signed-off-by: Dmitry Torokhov --- drivers/input/serio/i8042.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers') diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index ec195a36e8f..ff40b5cbbf3 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -761,6 +761,13 @@ static void i8042_controller_reset(void) { i8042_flush(); +/* + * Disable both KBD and AUX interfaces so they don't get in the way + */ + + i8042_ctr |= I8042_CTR_KBDDIS | I8042_CTR_AUXDIS; + i8042_ctr &= ~(I8042_CTR_KBDINT | I8042_CTR_AUXINT); + /* * Disable MUX mode if present. */ -- cgit v1.2.3